cosmopolitan/libc/sock/kntwsadata.c

48 lines
2.6 KiB
C

/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ This program is free software; you can redistribute it and/or modify │
│ it under the terms of the GNU General Public License as published by │
│ the Free Software Foundation; version 2 of the License. │
│ │
│ This program is distributed in the hope that it will be useful, but │
│ WITHOUT ANY WARRANTY; without even the implied warranty of │
│ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU │
│ General Public License for more details. │
│ │
│ You should have received a copy of the GNU General Public License │
│ along with this program; if not, write to the Free Software │
│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
│ 02110-1301 USA │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/dce.h"
#include "libc/nt/winsock.h"
#include "libc/runtime/runtime.h"
#include "libc/sock/internal.h"
#define VERSION 0x0202 /* Windows Vista+ */
/**
* Information about underyling Windows Sockets implemmentation.
*
* Cosmopolitan automatically calls YOINK() on this symbol when its
* Berkeley Socket wrappers are linked. The latest version of Winsock
* was introduced alongside x64, so this should never fail.
*/
struct NtWsaData kNtWsaData;
textwindows static void winsockfini(void) {
WSACleanup();
}
textwindows void winsockinit(void) {
int rc;
atexit(winsockfini);
if ((rc = WSAStartup(VERSION, &kNtWsaData)) != 0 ||
kNtWsaData.wVersion != VERSION) {
abort();
}
}